T.J. Notgrass holds his daughter Avery Notgrass, 18 months as poll worker David Douthit goes over how to use the voting machine at Christiana Middle School, on Election Day Thursday, August 7, 2014. HELEN COMER/DNJ

Poll worker David Douthit, left, makes sure that voter Randall Ayers' paperwork is correct so that he is voting in the correct primary at Christiana Middle School, on Election Day Thursday, August 7, 2014. HELEN COMER/DNJ

From left, Voter Jean Williams watches as poll worker Katie Majors and Election officer Dave West help her with the electronic ballot as voters cast their ballots in East Nashville on voting day on Thursday, Aug. 7, 2014, in Nashville in Tenn. John Partipilo / The Tennessean